Industrial Jewels Pvt. Ltd. Offers Orifice Jewel Assembly for Regulation and Control of Liquid or Gas. Industrial Jewels Pvt. Ltd. Is certified with ISO 9001:2000 quality system standard. These products are used as medical devices and in analytical industries. Orifice Jewel Assembly for Regulation and Control of Liquid or Gas is used in Gas Analyzer, Oxygen Regulator and Air Bearings. The Brass Housing and the jewel holder is made of brass material and the orifice jewel is Ruby or Sapphire material made. The precise holes of the orifice ensure that exact quantity of liquid or gas will pass through this orifice assembly.